Update README, make multiscale-run a container _for_ multiscale-run (#8) #131

Job	Run time
runtime-container-job	1m 7s
builder-container-job	6m 1s
spacktainer-build-job (appositionizer)	3m 40s
spacktainer-build-job (brain-indexer)	4m 35s
spacktainer-build-job (connectome-manipulator)	9m 27s
spacktainer-build-job (functionalizer)	14m 2s
spacktainer-build-job (neurodamus-hippocampus)	5m 33s
spacktainer-build-job (neurodamus-neocortex)	5m 33s
spacktainer-build-job (system-benchmarks)	2m 20s
	52m 18s

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